Verilink NCC 2020 (880-503284-001) Product Manual - Manual (Page 38)

Configuration
3-16 Verilink NCC 2020 User Manual
Table 3-7 Thumbwheel Switch Commands
Code Applies to Description
01 to 30 Any of first
30
modules
Selects a module in the indicated slot, up to slot 30. A node controlled
by an NCC module may contain a maximum of 30 modules.
31 NCC 2020 Accesses the controller functionality of the NCC 2020 node controller
(not the T1 CSU portion). For an NCC 2020 in slot 1 of shelf 1, use
address 01 to set CSU options.
32 NCC 2020 Resets the modem interface by sending the configured modem
initialization string to the DB-9 modem port.
40 NCC 2020
TAC 2010
Canned configuration #1, EQPT=SF/AMI NET=ESF/AMI.
41 NCC 2020
TAC 2010
Canned configuration #2, EQPT=ESF/AMI NET=ESF/AMI.
42 NCC 2020
TAC 2010
Canned configuration #3, EQPT=SF/AMI NET=ESF/B8ZS.
43 NCC 2020
TAC 2010
Canned configuration #4, EQPT=SF/B8ZS NET=ESF/B8ZS.
44 NCC 2020
TAC 2010
Canned configuration #5, EQPT=ESF/B8ZS NET=ESF/B8ZS.
45 ALL The configuration of the selected module —having been previously
stored— is restored to the module from the NCC 2020.
46 ALL The configuration of the module selected in steps 1 and 2 of this
thumbwheel command sequence is stored in the NCC 2020. If the
module is replaced or loses its configuration later, command 45 may
be used to restore it.
47 NCC 2020
TAC 2010
TAC 2130
Network LBO = 0 dB; Typical value —use when a T1 installed by a local
Bell carrier is terminated in a “smart jack”, (network termination
device) or the first repeater is 2000 to 3000 feet away.
48 NCC 2020
TAC 2010
TAC 2130
Network LBO = 7.5 dB; Attenuates transmit signal by 7.5db, USE ONLY
IF NO SMART JACK IS PRESENT , implies that the first active device
(repeater, T3 mux, far CSU) is 1000 to 2000 feet away.
49 NCC 2020
TAC 2010
TAC 2130
Network LBO = 15 dB; Attenuates transmit signal by 15db, USE ONLY
IF NO SMART JACK IS PRESENT , implies that the first active device
(repeater, T3 mux, far CSU) is 0 to 1000 feet away.
50 NCC 2020
TAC 2010
Selects DSX-1 Equipment cable length of 0-132 ft.
51 NCC 2020
TAC 2010
Selects DSX-1 Equipment cable length of 133-265 ft.
52 NCC 2020
TAC 2010
Selects DSX-1 Equipment cable length of 266-398 ft.